--- a/tools/migration/prosody-migrator.lua	Thu Jul 29 14:10:56 2021 +0200
+++ b/tools/migration/prosody-migrator.lua	Thu Jul 29 14:11:29 2021 +0200
@@ -54,6 +54,10 @@
 	prosody.config_loaded = true;
 	startup.load_libraries();
 	startup.init_http_client();
+	prosody.core_post_stanza = function ()
+		-- silence assert in core.moduleapi
+		error("Attempt to send stanzas from inside migrator.", 0);
+	end
 end
 
 -- Command-line parsing